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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2021/05/11 08:56:27 UTC

[GitHub] [iotdb] zhanglingzhe0820 opened a new pull request #3161: [To rel/0.12] Fix `merge` command cannot execute compaction task bug

zhanglingzhe0820 opened a new pull request #3161:
URL: https://github.com/apache/iotdb/pull/3161


   ## Behavior
   1. Set IoTDB params like below:
   ```java
   enableMemControl: false
   memtableSizeThreshold: 1*1024*1024L
   ```
   2. Use SessionExample to write data util there are too much TsFile that cannot be compacted immediately like figure-1.
   ![image](https://user-images.githubusercontent.com/24886743/117613375-6656a880-b199-11eb-95d2-ec6ac8863c63.png)
   3. open cli and use `merge` command to execute compaction task.
   
   Problem: Nothing happens after `merge` command.
   
   ## Reason
   The member variable timePartitionIdVersionControllerMap will be empty if there are no Memtables in memory. So the `merge` command cannot find timePartitionId to execute compaction bug.
   
   ## Solution
   1. use `partitionLatestFlushedTimeForEachDevice` instead.


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[GitHub] [iotdb] HTHou merged pull request #3161: [To rel/0.12] Fix `merge` command cannot execute compaction task bug

Posted by GitBox <gi...@apache.org>.

HTHou merged pull request #3161:
URL: https://github.com/apache/iotdb/pull/3161


   


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